Update container-service-dcos-manage-tutorial.md

@iainfoulds Hi, the article was flagged with a broken link.  Please let me know if there are any issues.

Author: Matthew Sebolt

articles/container-service/dcos-swarm/container-service-dcos-manage-tutorial.md

@@ -234,7 +234,7 @@ Browsing to this address returns the default NGINX site.
 
 ## Scale DC/OS cluster
 
-In the previous examples, an application was scaled to multiple instance. The DC/OS infrastructure can also be scaled to provide more or less compute capacity. This is done with the [az acs scale]() command. 
+In the previous examples, an application was scaled to multiple instance. The DC/OS infrastructure can also be scaled to provide more or less compute capacity. This is done with the [az acs scale](/cli/azure/acs#az-acs-scale) command. 
 
 To see the current count of DC/OS agents, use the [az acs show](/cli/azure/acs#az-acs-show) command.
 
@@ -272,4 +272,4 @@ In this tutorial, you have learned about basic DC/OS management task including t
 Advance to the next tutorial to learn about load balancing application in DC/OS on Azure. 
 
 > [!div class="nextstepaction"]
-> [Load balance applications](container-service-load-balancing.md)
+> [Load balance applications](container-service-load-balancing.md)